Free public domain sheet music from IMSLP / Petrucci Music Library
||Tu es Petrus
||Tu es Petrus: Offertorium for soprano solo, chorus, organ and orchestra, composed for and sung at the dedication of St. Peter's church in Boston
||Calixa Lavallée, conductor, J.G. Lennon, organ, at the dedication of St. Peter's Church above (ca.1883?)
||1883 from Boston: White, Smith & Co.
||Rev. Fr. Peter Ronan, Pastor of St. Peter's Church, Dorchester District, Boston
||Soprano, chorus, organ and orchestra